// sqrt.cpp -- using the sqrt() function
#include<iostream>
#include<cmath>

int main(){

    using namespace std;

    double area;
    cout << "Enter the floor area, in square feet of your home: ";
    cin >> area;
    double side;
    side = sqrt(area);
    cout << "That's the equivalent of a square " << side 
         << " feat to the side." << endl;
    cout << "How fascinating!" << endl;
    return 0;
}
